Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Special Cases - Lesson Check: 4

Answer

$4x^2+12x+9$

Work Step by Step

Since all the sides of a square are the same length, the area is the square of a side. Remember that the square of a binomial is the square of the first term, plus twice the product of the two terms, plus the square of the second term. $(2x+3)^2=4x^2+12x+9$
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